What does it mean to brew a good liqueur?

Making liqueur symbolizes sweetness and eternity.

Sweetwine is made by mixing colorless spirits, brandy, gin or other distilled liquor with fruits, flowers, plants or pure fruit juice squeezed from these raw materials and other natural materials, and then distilling. Filtering and soaking are the most important processes in the production of sweet wine, and distillation is an essential process.